Portable gun rack



FIG. 1 is a perspective view of the portable gun rack;

FIG. 2 is a top view of the portable gun rack of FIG. 1:

FIG. 3 is a side view of the portable gun rack of FIG. 1, both sides being the same;

FIG. 4 is a back view of the portable gun rack of FIG. 1, the front and back being the same; and,

FIG. 5 is a bottom view of the portable gun rack of FIG. 1.

The broken-line disclosure represents portions of the gun rack which form no part of the claimed design. 

CLAIM The ornamental design for a portable gun rack, as shown and described. 